#mainer {
    width: 1080px;
    height: auto;
    clear: both;
    
}
#center-1 {
    margin-top: 0px;
}
#banner {
    height: 324px;
    width: 880px;
}



a, img {
    border: 0;
}

/* banner */
.banner {
    height: 324px;
    overflow: hidden;
    position: relative;
}

.banner .d1 {
    width: 880px;
    height: 324px;
    display: block;
    left: 0px;
    top: 0px;
}
.d1 {
    position: absolute;
}

.d2 {
    width: 880px;
    height: 30px;
    clear: both;
    position: absolute;
    z-index: 100;
    left: 0px;
    top: 275px;
}

.banner .d2 ul {
    float: left;
    position: absolute;
    left: 50%;
    top: 0;
    margin: 0 0 0 -96px;
    display: inline;
}

.banner .d2 li {
    width: 15px;
    height: 15px;
    overflow: hidden;
    cursor: pointer;
    /*background: url(images/img1.png) no-repeat center;*/
    background: green;
    float: left;
    margin: 0 3px;
    border-radius: 15px;
    display: inline-block;
}

.banner .d2 li.nuw {
    /*background: url(images/img1_1.png) no-repeat center;*/
    background: orange;
}